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一、世界卫生组织规定的国际单位国际单位(international unit,IU)、国际单位制单位(units of the SI)是根本不同的两种计量单位,与法定计量单位(legal unit)也有差别,不能混淆。国际单位是世界卫生组织专为抗生素、疫苗等生物物质规定的单位,用于评价纯品药治疗效能或需量有效价的单位。所谓有效价是指药物纯品重量(质量)与有效价
First, the international units (IUs) and units of the SI units stipulated by the World Health Organization (WHO) are two fundamentally different units of measurement that differ from the legal units and can not be confused . International unit is the unit specified by World Health Organization for biological substances such as antibiotics and vaccines, and is used to evaluate the effectiveness of pure drug or the effective price of demand. The so-called effective price refers to the pure drug weight (quality) and effective price